/home/estudydev/workspace/eStudy_svn/web/photogallery/search.php

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<?php
/*
ThWboard - PHP/MySQL Bulletin Board System
==============================================
(c) 2000, 2001 by
Paul Baecher         <paul@thewall.de>
Felix Gonschorek   <funner@thewall.de>

download the latest version:
http://www.thwboard.de

This  program is  free  software;  you can
redistribute it and/or modify it under the
terms of the GNU General Public License as
published by the Free Software Foundation;
either  version 2 of  the License,  or (at
your option) any later version.

==============================================

*/
/*--------------------------------------------------------------------------+
This file is part of eStudy.
forum/search.php
- Modulgruppe:  Forum
- Beschreibung: Forenbeiträge Suchen
- Version:      02/26/04
- Autor(en):    Björn Lehnhardt, Benjamin Stadin <stadin@gmx.de>
+---------------------------------------------------------------------------+
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or any later version.
+---------------------------------------------------------------------------+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+--------------------------------------------------------------------------*/
define("PATH_TO_ROOT", "../");
require_once (PATH_TO_ROOT."common/init.inc.php");
if (isset($_POST['Cancel'])) {
    header("Location: ".$_SERVER['PHP_SELF']);
    exit;
}
require_once (PATH_TO_ROOT."common/header.inc.php");
include_once "./classes/class.header.inc.php";
include_once "./classes/class.photofunctions.inc.php";
include_once "header.inc.php";
writeContentHeader("Suchformular");
$config['hitsperpage'] = 20;
$navpath.= "<a class=\"bglink\" href=\"".build_link("search.php") ."\" title='Suche'>Suche</a>";
$course = $_SESSION['course'];
$user = $_SESSION['usergroup'];
if (isset($startsearch) && $startsearch) {
    if ($course != 1) {
        $abfrage = "SELECT boardid FROM forum_board WHERE boarddisabled='0' AND is_photogallery=1 AND categoryid=".$course;
    } else {
        $abfrage = "SELECT boardid FROM forum_board WHERE boarddisabled='0' AND is_photogallery=1";
    }
    $a_board = array();
    $r_board = forum_query($abfrage);
    while ($board = mysql_fetch_array($r_board)) {
        $a_board[] = $board['boardid'];
    }
    if (empty($a_board)) {
        errormessage('Fehler', 'Es sind keine Boards angelegt.');
    }
    $a_boardlist = array();
    if (!isset($selectedboards) || $selectedboards[0] == 0) {
        // search all available boards, id = 0 - all boards
        $selectedboards = $a_board;
    }
    while (list(, $boardid) = each($selectedboards)) {
        $P->set_boardid($boardid);
        if ($boardid != -1 && getAlbumRight('view', $boardid) == true) {
            if (in_array($boardid, $a_board)) {
                $a_boardlist[] = $boardid;
            }
        }
    }
    $boards = implode(',', $a_boardlist);
    if (empty($boards)) {
        errormessage('Fehler', 'Es gibt keine Alben/Bilder die sie durchsuchen k&ouml;nnen.');
    }
    if (!isset($page)) {
        $page = 0;
    }
    $where = array();
    $where[] = "(post.threadid=thread.threadid)";
    $where[] = "(thread.boardid IN (".addslashes($boards) ."))";
    if (isset($repliesonly) && $repliesonly == "yes") {
        $where[] = "(thread.threadreplies>0)";
    }
    if (isset($period) && $period == "yes") {
        $searchstart = mktime(0, 0, 0, $startmonth, 1, $startyear);
        $searchend = mktime(0, 0, 0, $endmonth+1, 0, $endyear);
        $where[] = "(thread.threadtime>$searchstart AND thread.threadtime<$searchend)";
    }
    if ($searchfor == "post") {
        $a_words = explode(" ", $words);
        $sqlwords = array();
        while (list($key, $val) = each($a_words)) {
            if (strlen($val) < 3) {
                errormessage("Fehler", "Sie k&ouml;nnen nicht nach W&ouml;rtern mit weniger als 3 Zeichen suchen.");
            }
            if ($key > 5) {
                errormessage("Fehler", "Sie können maximal nach 6 Wörtern suchen.");
            }
            if ($config['slow_search']) $sqlwords[] = "INSTR(LOWER(post.posttext),LOWER('".addslashes($val) ."'))>0";
            else $sqlwords[] = "INSTR(post.posttext,'".addslashes($val) ."')>0";
        }
        $where[] = '('.implode(' '.($searchmethod == 'OR' ? 'OR' : 'AND') .' ', $sqlwords) .')';
    } elseif ($searchfor == "author") {
        // ANONYMES POSTEN:
        // Zusätzlich zur userID wird auch der username ausgelesen, damit "&& $user['username'] != 'Anonymous'" geprüft werden kann
        $r_user = forum_query("SELECT userID, username FROM forum_user WHERE LOWER(username)=LOWER('".addslashes($words) ."')");
        $user = mysql_fetch_array($r_user);
        // Anonymous hat die userID 0. Deshalb musste hier ergänzt werden: && $user['username'] != 'Anonymous'
        if (!$user['userID'] && $user['username'] != 'Anonymous') {
            errormessage("Fehler", "Der Autor nach dem Sie suchen wollen existiert nicht!");
        }
        // ANONYMES POSTEN
        $where[] = "(post.userID='$user[userID]')";
    } elseif ($searchfor == "today") {
        $where[] = "(thread.threadtime)>".(time() -(60*60*24));
    } elseif ($searchfor == "lastthreads") {
        $where[] = "(thread.threadtime)>".(time() -(60*60*24*intval($days)));
    } else {
        $a_words = explode(" ", $words);
        $sqlwords = array();
        while (list($key, $val) = each($a_words)) {
            if (strlen($val) < 3) {
                errormessage("Fehler", "Sie k&ouml;nnen nicht nach W&ouml;rtern mit weniger als 3 Zeichen suchen.");
            }
            if ($key > 5) {
                errormessage("Fehler", "Sie k&ouml;nnen maximal nach 6 Wörtern suchen.");
            }
            if ($config['slow_search']) $sqlwords[] = "INSTR(LOWER(thread.threadtopic),LOWER('".addslashes($val) ."'))>0";
            else $sqlwords[] = "INSTR(thread.threadtopic,'".addslashes($val) ."')>0";
        }
        $where[] = '('.implode(' '.($searchmethod == 'OR' ? 'OR' : 'AND') .' ', $sqlwords) .')';
    }
    // ergebnisanzahl selecten -> seiten
    /* echo */
    $query = "
                        SELECT DISTINCT
                                thread.threadid AS hits
                        FROM
                                forum_thread AS thread,
                                forum_post AS post
                        WHERE
                                ".implode(" AND ", $where) ."
                        LIMIT 100";
    $r_presearch = forum_query($query);
    $resultcount = mysql_num_rows($r_presearch);
    /*echo*/
    $query = "
                                SELECT DISTINCT
                                thread.threadid,
                                thread.threadtopic,
                                thread.boardid,
                                thread.threadtime,
                                thread.threadlastreplyby,
                                thread.threadauthor,
                                thread.threadreplies
                        FROM
                                forum_thread AS thread,
                                forum_post AS post
                        WHERE
                                ".implode(" AND ", $where) ."
                        ORDER BY
                                thread.threadtime DESC LIMIT ".$page*$config['hitsperpage'].", ".$config['hitsperpage'];
    $r_search = forum_query($query);
    if ($error = mysql_error()) {
        errormessage("Fehler", "Fehler");
    }
    if (mysql_num_rows($r_search) == 0) {
        message("Keine Themen gefunden", "Es wurden keine Themen gefunden die Ihren Suchkriterien entsprechen!<br/><a href=\"".build_link("search.php") ."\" title='neue Suche'>Neue Suche</a>");
    }
    $r_board = forum_query("
                SELECT
                        board.boardid, board.boardname, category.categoryname
                FROM
                        forum_board AS board,
                        forum_category AS category
                WHERE
                        board.categoryid=category.categoryid AND board.is_photogallery=1");
    while ($board = mysql_fetch_array($r_board)) {
        $boardpath[$board['boardid']] = $board['categoryname'].' / '.$board['boardname'];
    }
    $frame = new Template("templates/frame.html");
    $searchresult = new Template("templates/searchresult.html");
    $searchresultrow = new Template("templates/searchresultrow.html");
    $pages = ceil($resultcount/$config['hitsperpage']);
    $pagesstring = "";
    for ($i = 0 ; $i < $pages ; $i++) {
        if ($i == $page) {
            $pagesstring.= "&gt;".($i+1) ."&lt; ";
        } else {
            $pagesstring.= '[<a href="'.build_link('search.php?page='.$i.'&amp;searchfor='.$searchfor.'&amp;words='.((isset($words)) ? $words : '') .'&amp;searchmethod='.((isset($searchmethod)) ? $searchmethod : '') .'&amp;repliesonly='.((isset($repliesonly)) ? $repliesonly : '') .'&amp;period='.((isset($period)) ? $period : '') .'&amp;startmonth='.((isset($startmonth)) ? $startmonth : '') .'&amp;startyear='.((isset($startyear)) ? $startyear : '') .'&amp;endmonth='.((isset($endmonth)) ? $endmonth : '') .'&amp;endyear='.((isset($endyear)) ? $endyear : '') .'&amp;days='.((isset($days)) ? $days : ''));
            reset($selectedboards);
            while (list(, $selectedboard) = each($selectedboards)) {
                $pagesstring.= '&amp;selectedboards[]='.$selectedboard;
            }
            $pagesstring.= '&amp;startsearch=1">'.($i+1) .'</a>] ';
        }
    }
    $RESULT_ROWS = '';
    while ($search = mysql_fetch_array($r_search)) {
        $i++;
        if ($i%2 > 0) {
            $rowbgcolor = "class='cellText'";
        } else {
            $rowbgcolor = "class='cellTextDark'";
        }
        $search['threadtopic'] = Data::toHTML($search['threadtopic'], false);
        $search['threadauthor'] = Data::toHTML($search['threadauthor'], false);
        $search['threadlastreplyby'] = Data::toHTML($search['threadlastreplyby'], false);
        $search['threadtime'] = form_date($search['threadtime']);
        $search['threadpath'] = Data::toHTML($boardpath[$search['boardid']], false);
        $highlight = (((!empty($a_words)) && (count($a_words))) ? '&amp;highlight='.urlencode(implode(' ', $a_words)) : '');
        eval($searchresultrow->GetTemplate("RESULT_ROWS"));
    }
    $navpath.= ' &raquo; Suchergebnisse';
    if ($resultcount == 100) $resultcount = '</strong>Es wurden sehr viele Suchergebnisse gefunden, bitte versuchen Sie, die Suche weiter einzuschr&auml;nken.<br/><strong>'.$resultcount;
    eval($searchresult->GetTemplate("CONTENT"));
    eval($frame->GetTemplate());
} else {
    // select boards
    $a_board = array();
    $r_board = forum_query("SELECT boardname, boardid, categoryid FROM forum_board WHERE boarddisabled='0' AND is_photogallery=1 ORDER BY boardorder ASC");
    while ($board = mysql_fetch_array($r_board)) {
        $P->set_boardid($board['boardid']);
        if (getAlbumRight('view', $board['boardid'])) {
            $a_board[$board['categoryid']][] = $board;
        }
    }
    $boards = '';
    $r_category = forum_query("SELECT categoryname, categoryid FROM forum_category ORDER BY categoryorder ASC");
    while ($category = mysql_fetch_array($r_category)) {
        if ($user != 1) {
            if ($course == $category['categoryid']) {
                if (isset($a_board[$category['categoryid']])) {
                    $boards.= '<option value="0">'.Data::toHTML($category['categoryname'], false) .'</option>';
                    while (list(, $board) = @each($a_board[$category['categoryid']])) {
                        $boards.= '<option value="'.$board['boardid'].'">- '.Data::toHTML($board['boardname'], false) .'</option>';
                    }
                }
            }
        } else {
            if (isset($a_board[$category['categoryid']])) {
                $boards.= '<option value="0">'.Data::toHTML($category['categoryname'], false) .'</option>';
                while (list(, $board) = @each($a_board[$category['categoryid']])) {
                    $boards.= '<option value="'.$board['boardid'].'">- '.Data::toHTML($board['boardname'], false) .'</option>';
                }
            }
        }
    }
    $getdate = getdate(time());
    $Tframe = new Template("templates/frame.html");
    $Tsearchform = new Template("templates/searchform.html");
    $navpath.= ' &raquo; Sucheinstellungen';
    eval($Tsearchform->GetTemplate("CONTENT"));
    eval($Tframe->GetTemplate());
}
require_once "footer.inc.php";
require_once (PATH_TO_ROOT."common/footer.inc.php");
?>

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